Installation guide
TX1500 Manual V5.1 April 2014 Page 10 of 36 TX1500 MATRIX
VIDEO INPUT CARD
The Video Input Card is used to connect 16 camera inputs to the TX1500. Systems larger than
16 cameras will use multiple cards. The input cards are self addressing.
Each input has a corresponding looping output on the lower BNC connector. The camera inputs
are passively terminated at 75 and auto de-terminate when a BNC plug is connected to the
looping output. Up to 6 cards can be connected in a matrix to control up to 96 cameras.
IN
VIDEO INPUT CARD
1 2 3 4
5 6 7 8
VIDEO
IN
VIDEO
OUT
OUT
Auto Hi-Z
9 10 11 12 13 14 15 16
Video Input card Front Panel View
Video bus
Control bus
PL1
PL5
BBV
The address of each input card is dicated by its location that with in the matrix. In earlier
matrixes, dipswitches were used, these are refered to as MK1 input cards and are not
compatible with this type of input card a MK2.